Question
How to clear a WordPress instance's cache on Plesk?
Answer
It's possible to clear WordPress cache using the WP Toolkit command line options.
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Connect to the server via SSH
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Run this command and make a note of the desired WordPress instance ID
# plesk ext wp-toolkit --list
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Replace
<ID>in this command and run it to clear its cache# plesk ext wp-toolkit --clear-cache -instance-id <ID>
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Connect to the server via RDP
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Start a Command Prompt or PowerShell
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Run this command and make a note of the desired WordPress instance ID
PS plesk ext wp-toolkit --list
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Replace
<ID>in this command and run it to clear its cachePS plesk ext wp-toolkit --clear-cache -instance-id <ID>